30
104 72 79-26
22a.Upper thread tension 830 850
Check
When the thread tension dial is set at 5, a correct take-up should be obtained at straight stitching and zig-zag
using normal cotton fabrics and polyester thread.
Adjustment
1. Check so the setting “21. Thread tension Releaser” is correctly set.
2. Run the machine and turn the thread tension dial (A) until a correct take-up is obtained.
3. Hold the black thread tension house (B) and turn the index dial (A) until No 5 is in front of the index on
the front cover.
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discs
Settings
B
A